{"adoption": {"forks": 1247, "observed_at": "2026-08-28T04:09:32.611285+00:00", "stars": 5943}, "canonical_url": "https://ross.abutalabs.com/products/stdlib", "card": {"archived": false, "artifact_type": "library", "description": "✨ The fundamental numerical library for JavaScript and TypeScript. ✨", "domain": ["mathematics", "data-science", "developer-tools"], "enriched": true, "function": ["math", "data-science", "data-visualization", "benchmarking", "testing"], "health_score": 99, "homepage": "https://stdlib.io", "language": "JavaScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["stdlib-js/stdlib"], "name": "stdlib-js/stdlib", "platform": ["browser", "cross-platform"], "pushed_at": "2026-08-26T22:20:14+00:00", "repo": "stdlib-js/stdlib", "stars": 5943, "tags": ["standard-library", "statistics", "numerical-computing", "probability-distributions", "prng", "typescript", "blas", "repl", "scientific-computing", "algorithms", "nodejs", "javascript"], "topics": ["javascript", "stdlib", "nodejs", "library", "standard", "math", "js", "mathematics", "science", "scientific", "scientific-computing", "node-js", "node", "statistics", "stats", "utilities", "utils", "numerical-computing", "numerical", "typescript"], "urls": [], "use_cases": ["compute statistics and math functions in JavaScript", "evaluate probability distributions and PDFs/CDFs in Node.js", "generate random numbers with seedable PRNGs", "plot data for exploratory analysis in the browser", "validate and transform data with assertion utilities", "do scientific computing on the web", "find a JavaScript equivalent to NumPy or R's stats functions"], "what_it_is": "stdlib is a standard library for JavaScript and TypeScript with an emphasis on numerical and scientific computing, providing math, statistics, probability distributions, PRNGs, plotting, and general utilities. It runs in browsers and Node.js, is fully decomposable into individual packages, and includes a REPL, benchmark framework, and extensive documentation.", "when_to_avoid": ["you need GPU-accelerated or massively parallel numerical computing", "your project is in Python, R, or another language with mature scientific stacks", "you only need one small utility and want a minimal dependency"], "when_to_choose": ["you need rigorous, well-tested numerical or statistical routines in JS/TS", "you want a batteries-included standard library for Node.js or browsers", "you need seedable PRNGs or many probability distributions", "you want to bundle scientific computing into a web app"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/stdlib", "repo": "stdlib-js/stdlib", "role": "main", "score": 95}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:32.611285+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:50:45.449199+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "df67c3d4f5e430faa21a49ce35d6fc39b3b14faab114b3ddbd6a760cbb26a110", "fetched_at": "2026-08-28T04:09:32.611285+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stdlib-js/stdlib"}, {"content_hash": "f2cec8357e4f04fd7e3b5b707b7fedf43c56fa4e08bd97c7eb81297e9902b193", "fetched_at": "2026-08-29T08:46:40.604404+00:00", "kind": "homepage", "missing": false, "url": "https://stdlib.io"}, {"content_hash": "8da4f0bfc146b4e39512a5b38f058024d72008076a9e1490a80c55cdd06b73c2", "fetched_at": "2026-08-29T08:46:40.613642+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest"}, {"content_hash": "d48cc6f8af8e195bb2e4ad7ff8e33e39f66468f1ad8db3738c770e575e9dbfeb", "fetched_at": "2026-08-29T08:46:40.616037+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/math"}, {"content_hash": "a029a7d450c1724ed5a127fa8158698a282f816ba0c1e4eb3c936e7cb0224137", "fetched_at": "2026-08-29T08:46:40.617683+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/plot"}, {"content_hash": "33b836c5cd95bf8a3f214dacb58a9ca883e4707d5522de7b55e9462cf6fdc958", "fetched_at": "2026-08-29T08:46:40.619270+00:00", "kind": "site_page", "missing": false, "url": "https://stdlib.io/docs/api/latest/@stdlib/utils"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 87}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3814, "days_push": 7, "days_rel": 88, "gap_med": 0, "n_releases_24m": 4}, "score": 95, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}